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Future Evolution Towards WCDMA The next evolutionary step for the GSM / EDGE cellular system includes enhancements of service provisioning for the packet-switched domain with the service provisioning in UMTS / UTRAN (UMTS terrestrial radio access network). GERAN will provide improved support for all quality of service (QoS) classes defined for UMTS: interactive, background, streaming and conversational. By doing so, a range of applications, including IP multimedia applications, will be exceptionally supported. This part of the GSM / EDGE evolution focuses on support for the conversational and streaming service classes, because adequate support for interactive and background services already exists. Additionally, parallel simultaneous bearers will support multimedia applications with different QoS characteristics towards the same MS, such as multiple media streams handled through IMS domain. A driver for such evolution on the packet-switched side is the paradigm shift within the communications world from circuit to packet-switched communications.

Both the core network defined for GPRS and the current GSM / EDGE radio access network require configurations to support enhanced packet services. The GPRS / EGPRS networks can quickly and cost effectively evolve with market needs, and align with services provided by WCDMA networks. The current evolution of GSM / EDGE, which covers all of the above aspects, is being standardized in 3GPP TSG GERAN.

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[4] 6. EDGE in Pakistan Pakistan has the sixth largest population in the world – approximately 150 million. There are currently four mobile operators in the country. Mobile penetration at the end of 2003 was just 2.3% with a subscriber base of 3.4 million, while fixed line penetration was approximately 2.4%. Many geographic areas in Pakistan are without telephone coverage.

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To accompany recent positive economic development in Pakistan and the inherently low mobile penetration, high growth within the mobile segment is expected. At the moment the people in Pakistan are more concerned with the text-enabled facility like SMS. Although the introduction of GPRS has a concept and boost in Cellular network but still, people are not that much concerned using Internet by their terminal. Few think that it still more expensive and few believe that GPRS did not develop the interest for using Internet if we compared it by computer. In April 2004 Norwegian mobile telecom operator, Telenor, bid for and absolutely won a license to operate a cellular network in Pakistan.

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The license covers the operation of Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS) and Enhanced Data Rates for Global Evolution (EDGE) technology for the network. [14] Telenor Pakistan has signed two deals with mobile infrastructure contractors for different areas of the network: Nokia has signed a three-year deal to build and operate a GSM / GPRS / EDGE network to cover the central and Northern Punjab region (phase one), centered around Lahore. Siemens have signed a deal to build a GSM / GPRS / EDGE network to cover the southern areas of Pakistan, centered around Islamabad.

Further enhancements in data capacity over the core GPRS / GSM network will be provided in both networks with the installation of Enhanced Data for Global (GSM) Evolution technology. This component of the two systems will be installed after the initial roll-outs and will allow the subscribers to have the use of advanced mobile services such as downloading video and music clips, full multimedia messaging, high-speed color Internet access and email on the move.

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